Bump the uv group across 5 directories with 1 update (#21)

Bumps the uv group with 1 update in the /weather-forecast/nwp-emulation/panguweather directory: [black](https://github.com/psf/black).
Bumps the uv group with 1 update in the /reactive-flows/cnf-combustion/gnns directory: [black](https://github.com/psf/black).
Bumps the uv group with 1 update in the /reactive-flows/cnf-combustion/unets directory: [black](https://github.com/psf/black).
Bumps the uv group with 1 update in the /weather-forecast/ecrad-3d-correction/unets directory: [black](https://github.com/psf/black).
Bumps the uv group with 1 update in the /weather-forecast/gravity-wave-drag/cnns directory: [black](https://github.com/psf/black).


Updates `black` from 26.1.0 to 26.3.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

Updates `black` from 26.1.0 to 26.3.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

Updates `black` from 26.1.0 to 26.3.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

Updates `black` from 26.1.0 to 26.3.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

Updates `black` from 26.1.0 to 26.3.1
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@26.1.0...26.3.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  dependency-group: uv
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  dependency-group: uv
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  dependency-group: uv
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  dependency-group: uv
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  dependency-group: uv
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

reactive-flows/cnf-combustion/gnns/pyproject.toml

@@ -32,7 +32,7 @@ coverage = [
     "coverage==7.13.4"
 ]
 black = [
-    "black==26.1.0"
+    "black==26.3.1"
 ]
 isort = [
     "isort==7.0.0"

reactive-flows/cnf-combustion/gnns/uv.lock

@@ -25,7 +25,7 @@ coverage = [
     "coverage==7.13.4"
 ]
 black = [
-    "black==26.1.0"
+    "black==26.3.1"
 ]
 isort = [
     "isort==7.0.0"

reactive-flows/cnf-combustion/unets/pyproject.toml

@@ -28,7 +28,7 @@ coverage = [
     "coverage==7.13.4"
 ]
 black = [
-    "black==26.1.0"
+    "black==26.3.1"
 ]
 isort = [
     "isort==7.0.0"

reactive-flows/cnf-combustion/unets/uv.lock

@@ -25,7 +25,7 @@ coverage = [
     "coverage==7.13.4"
 ]
 black = [
-    "black==26.1.0"
+    "black==26.3.1"
 ]
 isort = [
     "isort==7.0.0"

weather-forecast/ecrad-3d-correction/unets/pyproject.toml

@@ -26,7 +26,7 @@ coverage = [
     "coverage==7.13.4"
 ]
 black = [
-    "black==26.1.0"
+    "black==26.3.1"
 ]
 isort = [
     "isort==7.0.0"